---
layout: "default"
title: "Operator: postfix ..."
description: "Swift documentation for the 'postfix ...' operator."
root: "/v4.2"
---

<code class="language-swift"> operator postfix ... {
    associativity 
    precedence 
}</code>

<h3>Declarations</h3>

<div class="declaration" id="func-dotdotdot_-unboundedrange">
<a class="toggle-link" data-toggle="collapse" href="#comment-func-dotdotdot_-unboundedrange">postfix func ...(<wbr>_: UnboundedRange_)</a>
        
<div class="comment collapse" id="comment-func-dotdotdot_-unboundedrange"><div class="p">
    <p>Creates an unbounded range expression.</p>

<p>The unbounded range operator (<code>...</code>) is valid only within a collection&#39;s
subscript.</p>

    <h4>Declaration</h4>    
    <code class="language-swift">postfix func ...(_: UnboundedRange_)</code>
    
    
</div></div>
</div>
